MCNP6 installation. Creates a Command prompt for running MCNP6

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Leslie O’Brien’
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1 MCNP6 installation Creates a Command prompt for running MCNP6 1

2 Command Prompt Properties Target: %HOMEDRIVE%%HOMEPATH %\mcnp_env.bat Start in: Default: %HOMEDRIVE%%HOMEPATH% Modified to: C:\vis 2

3 Command Prompt Target %HOMEDRIVE% = The disk you installed the software on. %HOMEPATH% is your log in username. NOTE: Everyone has a different %HOMEDRIVE%%HOMEPATH% 3

4 MCNP installation rem MCNP DOS Autorun batch file rem This file was created by the MCNP Install script. rem to set the DOS Environment Correctly with the DOS CMD Autorun feature. rem To uninstall simply delete this file. set MCNPPATH=C:\mcnp6\MCNP _ PATH set DATAPATH=C:\mcnp6\MCNP_DATA SET DISPLAY=:0.0 modifies the path Sets the DATAPATH Sets the DISPLAY You must to use the M command prompt to run the executables and access the cross sections. 4

5 The M command prompt Everyone has a different %HOMEDRIVE%%HOMEPATH% The mcnp_env.bat is executed when the M command prompt is selected. This prevents other users on your computer accessing the code. A generic command prompt will not run MCNP6. Batch files will not work unless run from the M command prompt Visual Editor will no longer be able to find the cross sections. If you install on a external drive, it may not work if you move this drive up to a different computer and the Drive letters changes. By default, every user will run in a different directory. 5

6 Start in directory The default start in directory is: %HOMEDRIVE%%HOMEPATH 6 Change this to a more convenient location (i.e. C:\vis).

$Target: C:\Windows\System32\cmd.$ To change the target location by hand, modify the above

7 Target: C:\Windows\System32\cmd.exe /K "%HOMEDRIVE%%HOMEPATH%\mcnp_env.bat" 1. To change the target location by hand, modify the above command. 2. Creates a standard cmd then runs the mcnp_env.bat file 3. The /k keeps the command prompt up. 7

Change DISPLAY in mcnp_env.bat @ rem ----- MCNP DOS Autorun batch file ----- @ rem ----- This file was created by the MCNP Install script.

$----- @ set MCNPPATH=C:\mcnp6\MCNP_CODE\bin @ PATH %MCNPPATH%;%PATH% @ set DATAPATH=C:\mcnp6\MCNP_DATA SET DISPLAY=localhost:0 DISPLAY MUST BE CAPITALIZED No$

8 Change DISPLAY in rem MCNP DOS Autorun batch file rem This file was created by the MCNP Install script. rem to set the DOS Environment Correctly with the DOS CMD Autorun feature. rem To uninstall simply delete this file. set PATH set DATAPATH=C:\mcnp6\MCNP_DATA SET DISPLAY=localhost:0 DISPLAY MUST BE CAPITALIZED No blanks spaces at the end If the default display deos not work in Windows, edit the mcnp_env.bat file and modify it by inserting localhost, remove the.0. Make sure there a no spaces after the 0. 8

9 Visual Editor implications Visual Editor does not know about the M command prompt or the mcnp_env.bat file. You need to let Visual Editor know the DATAPATH. 1. The best option is to set the DATAPATH environment variable for your computer. 2. You can also type in the Vised executable from the MCNP command prompt. 3. You can create Vised batch files from the MCNP batch files. 9

10 Setting the DATAPATH on Windows On computer, right click and select properties. 10

11 Setting the DATAPATH on Windows Select: Advanced system settings 11

12 Setting the DATAPATH on Windows Create/Select the DATAPATH Environment Variable. If it does not exist select NEW. If it does exist select EDIT. 12

13 MCNP installation Setting the DATAPATH on Windows Edit or create (New) the DATAPATH variable name 13

14 14 Setting the DATAPATH on Windows

15 Setting the DATAPATH on Windows Enter the DATAPATH. 15

16 Setting the DATAPATH on Windows If you do not know your DATAPATH value, type set DAT in the M command prompt. 16

17 Modify the Windows PATH You can also modify the PATH definition so MCNP6 can run anywhere on your computer. Scroll down to the Path variable. 17

$Modify the Windows PATH Select Edit Add the path to the MCNP6 binaries (i.e. C:\mcnp6\mcnp_code\bin) Refer to the mcnp_env.$

18 Modify the Windows PATH Select Edit Add the path to the MCNP6 binaries (i.e. C:\mcnp6\mcnp_code\bin) Refer to the mcnp_env.bat file for the path for your setup. Don t forget the ; 18

19 You can also: Run from the MCNP command prompt Run the Visual Editor from the MCNP6 command prompt. 19

$bat @ set MCNPPATH=C:\MCNP6\MCNP_CODE\bin @PATH%MCNPPATH%;%PATH% set DISPLAY=:0 set DATAPATH=C:\MCNP6\MCNP_DATA c:\mcnp6\vised\visplot61_25 exit Add a line to run Vised.$

20 OR: Create a VISED command icon from 20 the MCNP command icon Create a vised batch file from the MCNP batch file: copy mcnp_env.bat set set DISPLAY=:0 set DATAPATH=C:\MCNP6\MCNP_DATA c:\mcnp6\vised\visplot61_25 exit Add a line to run Vised. Make sure there is no space after the DATAPATH line, or it will not work

21 Copy the MCNP icon to create a VISED icon change the name of the bat file. You can change the icon image by selecting Change Icon You can create an icon by saving a vised plot to a bmp file. 21

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